<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>运算符</title>        
        <script>       
           var i = 4;
           console.log(i++); //后缀形式
           console.log(i);
           var m = 3;
           console.log(++m); //前缀形式
           console.log(m);
        </script>
    </head>
    <body>
    </body>
</html>



